Roller-skates溜冰鞋;旱冰鞋
roller r skates式旱冰鞋
by roller-skates穿溜冰鞋
My Magic Roller-Skates神奇滑轮鞋
a pair of roller-skates一双旱冰鞋
adjustabled roller skates伸缩溜冰鞋
adjustable roller skates伸缩溜冰鞋
line roller skates直排轮滚轴溜冰鞋
the roller skates溜冰鞋
N-COUNT（可数名词） Roller skates are shoes with four small wheels on the bottom. 双排四轮旱冰鞋
A boy of about ten came up on roller skates.
一个大约十岁的男孩穿着双排四轮旱冰鞋滑了过来。
V-I（不及物动词） If you roller-skate, you move over a flat surface wearing roller skates. 滑旱冰
On the day of the accident, my son Gary was roller-skating outside our house.
在出事的那天，我的儿子格雷正在我们家外面滑旱冰。